Analysis of the electron-vibrational interaction in the 5d states of Eu2+ ions in LiSrPO4 host matrix

被引：13
|
作者：
Nair, Govind B. [1 ]
Swart, H. C. [1 ]
Dhoble, S. J. [2 ]
机构：
[1] Univ Free State, Dept Phys, POB 339, ZA-9300 Bloemfontein, South Africa
[2] RTM Nagpur Univ, Dept Phys, Nagpur 440033, Maharashtra, India
来源：
JOURNAL OF LUMINESCENCE | 2019年 / 214卷
基金：
新加坡国家研究基金会;
关键词：
Sol-gel; Electron-vibrational interaction (EVI); Eu-2(+) ions; 4f-5d transitions; PHOSPHOR; ENERGY; CE3+;
D O I：
10.1016/j.jlumin.2019.116564
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Different concentrations of Eu2+ doped LiSrPO4 phosphors were synthesized by a sol-gel/Pechini method. The photoluminescence (PL) excitation and emission spectra were recorded for all the samples and the optimum photoluminescence (PL) intensity was obtained for the 5 mol% sample. The Rietveld refinement method was performed on the optimum sample structure. Electron-vibrational interaction parameters were evaluated using a spectrum-fitting method. The International Commission on Illumination chromaticity coordinates were located in the blue region, indicating the possibility of employing this phosphor as a blue-emitting component in Ultraviolet-pumped light emitting diode.
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页数：10
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